How long is your delivery cycle?

1) In the case of stock, we can deliver the machine within 7 days. 2) Under standard production, we can deliver the machine within 15-20 days. 3) In the case of customization, we can deliver the machine within 20-25 days.

DTH Hammer 3.5"/4" High Performance Hydraulic Tunneling Jumbo Drilling Rig

Name: DTH Hammer 3.5"/4" High Performance Hydraulic Tunneling Jumbo Drilling Rig
Brand: Zhengzhou Hanfa Imp & Exp Trading Co., Ltd.
SKU: 2031863705

Henan, ChinaZhengzhou Hanfa Imp & Exp Trading Co., Ltd.

US$45,000.00-50,000.00

1 Set

Sample price:US$50000.00/set.Request sample

Product profile

Customization

Available

After-sales Service

Online Support, Field Maintenance

Warranty

1 Year

Model NO.

HFGA-44+

Certification

CE, ISO 9001:2000, ISO 9001:2008

Condition

New

Motor

AC Motor

Drill Hole Diameter

90-138mm

Drill Hole Depth

28m

Bit Type

DTH Bit

Drilling Way

Impactor

DTH Hammer

3.5"/4"

The Engine

Cummins 194kw@2, 000rpm

Drilling Hole Diameter

90-138mm

Storage Bit Quantity

6+1

Drill Pipe Specifications

68/76mmx3, 500mm

Maximum Operating Torque

2, 800n.M

F.a.D Exhaust Air.

16m3/Min

Max. Lifting Force

31kn

Weight

13, 500kg

Max. Walking Speed

3km/H

Transport Package

International Standard

Specification

CE, ISO

Trademark

HANFA

Origin

Zhengzhou City China

HS Code

843041

Production Capacity

30sets/Month

Key features

High Efficiency Drilling: 2800N.m torque rotary head and two-stage air compressor for fast rock drilling.

Energy Saving Design: Excellent fuel economy and environmental friendly performance with low energy consumption.

Compact and Portable: Lightweight and compact size allows convenient transfer between construction sites.

Versatile Application: Suitable for blasting holes, pre-holes, shock absorption holes, and ultra-deep holes.

Professional Manufacturer: Factory produces water well, core, and DTH drilling rigs exported globally.

Strict Quality Control: Products pass strict inspections before shipment with options for third-party checks.

Comprehensive Support: Online support, field maintenance, and engineer training available for customers.

Flexible Delivery: Stock delivery within 7 days; standard production 15-20 days; customization 20-25 days.

Company profile

Zhengzhou Hanfa Imp & Exp Trading Co., Ltd.

Henan, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2008-04-01Nearest Port: Tianjin,Qingdao,ShanghaiAverage Response Time: ≤3.55hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF

AI-Powered supplier vetting

SummaryHanfa is identified as a China-based limited company and group corporation engaged in drilling equipment and related parts. The provided information describes substantial service resources, including senior engineers, technical personnel, after-sales staff, overseas service activity, training, and repairs. It reports multiple management-system certifications and international product certifications, as well as 41–50 R&D engineers, 50 quality-control staff, and more than 10 production lines. Export activity began in 2008, with exports representing 51%–70% of total sales. However, the evidence does not establish financial credibility, customization capability, or specific named customer project outcomes. The supplier registration record is dated August 2025, while the company descriptions claim longer-term operating and export experience; this chronology should be verified.

Supplier typeHanfa is described as a Manufacturer/Factory and Group Corporation, while its legal/business information identifies Zhengzhou Hanfa Imp & Exp Trading Co., Ltd. as a limited company and trade company. Its stated product scope covers drilling rigs and related parts and accessories, although the recent registration record describes specific drilling components.

CertificationsThe supplier reports ISO 14001, ISO 9001, ISO 14000, ISO 20000, and HSE management-system certifications, plus GJB9001-2001, GB/T28001-2001, CE, and other international certification audits. These stated certifications provide explicit evidence of certification coverage, although the slices do not provide certificate numbers, validity dates, or issuing bodies for verification.

After-Sales capabilityHanfa reports a service organization comprising 30 senior engineers, more than 50 technical personnel, and hundreds of after-sales personnel. It also states more than 20,000 overseas after-sales technician assignments, over 10,000 training sessions, and approximately 5,000 machine repairs, supported by a service system covering pre-sale, sales, and after-sales stages.

R&D capabilityHanfa states that it has a professional R&D team and advanced technology, and reports 41–50 R&D engineers. The evidence supports the existence of dedicated R&D resources, but does not document patents, new-product results, proprietary technologies, or measurable innovation outcomes.

Production capacityThe supplier states that it develops and produces multiple categories of drilling machinery and reports more than 10 production lines and 50 quality-control staff. The stated manufacturing role and production infrastructure indicate production capability, although no capacity utilization, facility verification, or delivery-performance data is provided.

Product Q&A

Q:Are you a trading company or a manufacturer?

We are a professional manufacturer. Our factory mainly produces water well drilling rigs, core drilling rigs, down-the-hole drilling rigs, pile drivers, etc. The products have been exported to hundreds of countries around the world and enjoy a high reputation all over the world.

Q:How is the quality of your machine?

Our products pass strict quality inspections before they leave the factory to ensure that they are qualified before they are shipped.

Q:How to inspect the goods?

1) Support customers to come to the factory for on-site inspection. 2) Support customers to designate third-party companies to inspect goods. 3) Support video inspection.

Q:Do you have after-sales service?

Yes, we have a dedicated service team that will provide you with professional technical guidance. If you need, we can send our engineers to your workplace and provide training for your employees.

Q:How about quality assurance?

We provide a one-year quality guarantee for the main machine of the machine.